493806789

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{412537}}^1$

素因数の和:412569

約数の個数: 24

約数和(自身を含む): 858079040

約数和(自身を除く): 364272251

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 412537, 1237611, 2887759, 3712833, 7838203, 8663277, 23514609, 25989831, 54867421, 70543827, 164602263, 493806789]

約数ペア:

[(1, 493806789), (3, 164602263), (7, 70543827), (9, 54867421), (19, 25989831), (21, 23514609), (57, 8663277), (63, 7838203), (133, 3712833), (171, 2887759), (399, 1237611), (1197, 412537)]